28995876

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:250

約数の個数: 144

約数和(自身を含む): 92461824

約数和(自身を除く): 63465948

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 53, 63, 78, 84, 91, 106, 117, 126, 156, 159, 167, 182, 212, 234, 252, 273, 318, 334, 364, 371, 468, 477, 501, 546, 636, 668, 689, 742, 819, 954, 1002, 1092, 1113, 1169, 1378, 1484, 1503, 1638, 1908, 2004, 2067, 2171, 2226, 2338, 2756, 3006, 3276, 3339, 3507, 4134, 4342, 4452, 4676, 4823, 6012, 6201, 6513, 6678, 7014, 8268, 8684, 8851, 9646, 10521, 12402, 13026, 13356, 14028, 14469, 15197, 17702, 19292, 19539, 21042, 24804, 26052, 26553, 28938, 30394, 35404, 39078, 42084, 43407, 45591, 53106, 57876, 60788, 61957, 78156, 79659, 86814, 91182, 106212, 115063, 123914, 136773, 159318, 173628, 182364, 185871, 230126, 247828, 273546, 318636, 345189, 371742, 460252, 547092, 557613, 690378, 743484, 805441, 1035567, 1115226, 1380756, 1610882, 2071134, 2230452, 2416323, 3221764, 4142268, 4832646, 7248969, 9665292, 14497938, 28995876]

約数ペア:

[(1, 28995876), (2, 14497938), (3, 9665292), (4, 7248969), (6, 4832646), (7, 4142268), (9, 3221764), (12, 2416323), (13, 2230452), (14, 2071134), (18, 1610882), (21, 1380756), (26, 1115226), (28, 1035567), (36, 805441), (39, 743484), (42, 690378), (52, 557613), (53, 547092), (63, 460252), (78, 371742), (84, 345189), (91, 318636), (106, 273546), (117, 247828), (126, 230126), (156, 185871), (159, 182364), (167, 173628), (182, 159318), (212, 136773), (234, 123914), (252, 115063), (273, 106212), (318, 91182), (334, 86814), (364, 79659), (371, 78156), (468, 61957), (477, 60788), (501, 57876), (546, 53106), (636, 45591), (668, 43407), (689, 42084), (742, 39078), (819, 35404), (954, 30394), (1002, 28938), (1092, 26553), (1113, 26052), (1169, 24804), (1378, 21042), (1484, 19539), (1503, 19292), (1638, 17702), (1908, 15197), (2004, 14469), (2067, 14028), (2171, 13356), (2226, 13026), (2338, 12402), (2756, 10521), (3006, 9646), (3276, 8851), (3339, 8684), (3507, 8268), (4134, 7014), (4342, 6678), (4452, 6513), (4676, 6201), (4823, 6012)]